Moderate severityNVD Advisory· Published Mar 24, 2026· Updated Mar 24, 2026
Vikunja Affected by DoS via Image Preview Generation
CVE-2026-33474
Description
Vikunja is an open-source self-hosted task management platform. Starting in version 1.0.0-rc0 and prior to version 2.2.0, unbounded image decoding and resizing during preview generation lets an attacker exhaust CPU and memory with highly compressed but extremely large-dimension images. Version 2.2.0 patches the issue.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
code.vikunja.io/apiGo | >= 1.0.0-rc0, < 2.2.0 | 2.2.0 |
Affected products
3- ghsa-coords2 versions
>= 1.0.0-rc0, < 2.2.0+ 1 more
- (no CPE)range: >= 1.0.0-rc0, < 2.2.0
- (no CPE)range: < 0.0.20260326T203309-150000.1.155.2
- go-vikunja/vikunjav5Range: >= 1.0.0-rc0, < 2.2.0
Patches
Vulnerability mechanics
References
4- github.com/advisories/GHSA-wc83-79hj-hpmqghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-33474ghsaADVISORY
- github.com/go-vikunja/vikunja/security/advisories/GHSA-wc83-79hj-hpmqghsax_refsource_CONFIRMWEB
- vikunja.io/changelog/vikunja-v2.2.0-was-releasedghsax_refsource_MISCWEB
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